Remembrance, Mortuary, Shield Sphere, and Yahenni, Undying Partisan

Prerequisites

• Remembrance on the battlefield
• Mortuary on the battlefield
• Shield Sphere on the battlefield
• Yahenni, Undying Partisan on the battlefield

Steps

1. Activate Yahenni by sacrificing Shield Sphere
2. When Shield Sphere dies, Mortuary and Remembrance trigger
3. Resolve the Mortuary trigger, putting Shield Sphere from your graveyard on top of your library
4. Resolve the Remembrance trigger, searching your library for Shield Sphere and putting it into your hand
5. Resolve the Yahenni ability
6. Cast Shield Sphere by paying
7. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers
• Infinite storm count